Gaya APA

Collier, P. (2010). The political economy of natural resources. (e-journal) (Vol. 77, Issue 4). New York United States: New School for Social Research.

Gaya MLA

Collier, Paul. "The political economy of natural resources. (e-journal)". Vol. 77, Issue 4 New York United States: New School for Social Research, 2010. Jurnal.